Tamarin:WeeklyUpdates

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These updates concern Tamarin and related projects only.

Meeting Details

2:00pm Pacific Time (21:00 UTC) on Tuesdays
- (5PM Eastern US, 11PM Oslo, 6AM (Wed) Seoul, 7AM (Wed) Melbourne)

Location: Tel: 866 705 2554 (us), 913 227 1201 (int’l)
- Passcode: 9140087
Duration: 60 minutes
join irc.mozilla.org #tamarin for attendence taking and questions

Next meeting's Agenda Items:

(Edwin) Trace tree update - rebuilding pipeline state and cost of recompilation
(Andreas) Compartmentalizing nanojit for use by tracemonkey as well as TT
(Andreas) Moving more filters (e.g., CSE) into nanojit

17th June 2008

Attendees

Adobe: Steven, Vladimir, Edwin
Intel: Moh, Carmen, Jungwoo, Mingqiu
Mozilla: Brendan, jorendorff, Andreas Gal

Updates

Mingqiu talked about two optimizations offered for TC: Array.unshift and some prefetching in String code.
- The unshift opt
- The prefetch opt
  - Those two opts show good performance improvement on sunspider and JS speed. More details at
    - https://bugzilla.mozilla.org/show_bug.cgi?id=438889
    - https://bugzilla.mozilla.org/show_bug.cgi?id=438881

Edwin talked about the freshly-pushed code that pipelines trace-recording and assembling, giving background about why we did it and how it works — he’s going to write up more info about how to interpret the new verbose mode. There was some discussion as to how the pipeline might be parallelized.

Edwin & Steven mentioned that Michael Daumling’s rewrite of TT String is looking good and will probably be ready by end of week.

Edwin mentioned that we are hopefully about a week away from trace trees being ready to push.

Older meetings

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